Aluminum Extrusion Technology Seminar (1996)
VOLUME I – Brief Contents
- Extrusion Process and Equipment
- Billet Process and Equipment
- Creativity and Technology
EXTRUSION PROCESS AND EQUIPMENT
- The Effect of Cooling Rate After Homogenization and Billet Preheating Practice on Extrudability and Section Properties Part 1: Extrudability and Mechanical Properties
- Metallurgical Speed Limitations During the Extrusion of Al-Mg-Si Alloys
Equipment
- A Paradigm Shift in Aluminum Extrusion Processes Due to Long Metal Handling
- The Ten-Second Dead Cycle
- How to Operate Extrusion Presses Well
Process and Process Control
- Isothermal and Isopressure Extrusion – Results of Process Optimization in Various Extrusion Plants
- Improvement of Aluminum Extrusion Profiles for Architecture
- Theoretical and Practical Considerations for the Applications of “Fuzzy Logic” in the Aluminum Extrusion Industry
- Surface Defects on 6XXX Alloy Extrusions
- Flow Formulation FE Metal Forming Analysis with Boundary Friction Via Penalty Function
- Isothermal Extrusion of Aluminum Alloys by Employing Force-Ram Speed Feedback
- A New Measurement and Control System for Isothermal Extrusion
- The Importance of a Powerful Press Control System to Attain and Improve Quality and Delivery Performance
- Increasing Extrusion Plant Productivity and Quality
- Integration of the Ageing Cycle into an Automated Extrusion Line
- Modernizing the Extrusion Press and Handling System: Adapting New Technologies to Older Plants
Influence of Billet Temperature
- Mr. Profile’s New Extrusion Line
- Tapered heating and the “PYRAL” Integrated System
- Taper Quenching: A Cost-Effective Tapering Method for Isothermal Extrusion
- Induction Billet Heating – An Updated Summary of Latest Technology
Metallurgy
- The Effect of Cooling Rate After Homogenization and Billet Preheating Practice on Extrudability and Section Properties of an Al-Mg-Si Alloy – Part 2: A Microstructural Investigation
- Improved Properties of Extruded Products by Heat Treatment of AA6082 Alloy Sections
- The Effect of Homogenizing Heat Treatment Practice on the Productivity of Al-Mg-Si System Alloy
- Development of Structure, Recrystallization Kinetics and Prediction of Recrystallized Layer Thickness in Some Al-Alloys
- Texture and Surface Grain Structure in Aluminum Sections
- Extrusion with Active Friction Forces as an Innovation in Light Alloy Metallurgy
- Co-Extrusion of Aluminum Laminar Composites From Billets with Mushy and Solid Phases
- A Test Facility to Enable Study of Post-Extrusion Quenching for Production Distortion Control
- Fine Powder P/M Extrusion Processing for Aluminum-Matrix Composites: Front Pad Extrusion Method
- Observations on Production and Limit Diagrams for the Extrusion Process
- Use of EBSD Technique for Microstructural Characterization of the Deformation Zone in Aluminum Extrusion
- Flow Stress Parameters During the Extrusion of Aluminum Alloys
- Future Perspectives on the Development of Alloy Composition and Processing for Extrusions
- Temperature Distribution in Aluminum Extrusion Billets
- Deformation Conditions of Steady Shaping of Internal Capillary-Ribbed Surface in Extruding Heat Pipes in Aluminum Alloys
- Further Developments in the Extrusion of Aluminum-Based Metal Matrix Composites .
- Constitutive Equations and Flow Stress Characterization Concepts for Aluminum Extrusion
Eqipment Design and Maintenance
- New Technology in Extrusion Press Design
- How to Obtain the Most from Your Ageing Ovens
- The Maintenance of Extrusion Plant: Operating Extrusion Presses for Maximum Efficiency
- Real-Time Maintenance Package: An Expert System for Automatic Hydraulic Fault Diagnostics Embedded in a Supervisory Computer
- High-Temperature Textile Products for Aluminum Extrusion Handling Systems
- A “No-Man” Extrusion Handling System
- News on 2000’s Press Technology: “NBE” Burp Cycle
- Improving Fixed Dummy Block Performance
- The Ultimate Modernization
- Extrusion Line for Big Profiles
Extrusion Cooling Processes
- New Technologies for the Cooling and Quenching of Medium-to-Large Sized Aluminum Extrusions
- Thermal Stretching of Aluminum Extrusions
Modeling
- Computer Prediction of Extrusion Limit Diagrams
- Microstructurally Based Modeling Applied to Cold Extrusion of Aluminum
Temperature
- Noncontact Temperature Measurement of Aluminum: Its Design, Performance and Function on Aluminum Extrusion
- Influence of Plastic Strain and Strain Rate on Temperature Rise in Aluminum Extrusion
Extrusion FEA
- Application of the Finite-Element Technique to the Simulation of the Aluminum Extrusion Process
- Simulation of Tube Extrusion in a Two-Dimensional, Axisymmetric Model . . . . . . .
Publish Only
- Control Framework and Deformation Modeling of Extrusion Processes: An Upper Bound Approach
- The Heat Balance During Multiple Press Cycles
- Extrusion of Some Al-Li-Mg-Zr Alloys
- Microstructural Evolution During Extrusion of Low Density Al-Alloys Prepared from Rapidly Solidified Powders
- On the Relationship Between Extrusion Conditions and Fracture Toughness
- Mathematical Computer-Aided Determination of Heating Processes in Aluminum Logs and Billets During Heating to Extrusion Temperature in Gas-Fired Billet Heaters
- Extrusion with the Use of Active Friction Forces (EwAFF)
BILLET PROCESS AND EQUIPMENT
- The Role of Modeling in the Design and Operation of Remelt and Casting Facilities
Modeling/Refractories/Equipment
- Modeling Casthouse Operating Costs
- Thermal Performance of Insulating Refractories for Casting Applications
- Compact Type Remelt Plant with Horizontal DC Casting and Continuous Homogenization
Burners
- A User’s Experience with Retrofitting an Aluminum Melting Furnace with Low NOx Regenerative Burners
- Case History of an Aluminum Melter with Twinbed II (Regenerative) Low NOx Burners
Dross
- Selection of THE PRESS Dross Processing System and the Results of Two Years of Operation
- Inert Gas Dross Cooling (IGDC) – The New Standard
Metal Preparation
- Molten Metal Quality Considerations for Aluminum Extrusion Ingot Product
- Gains in Degassing System Designs Obtainable with Sialon Immersion Heating Technology
- The Development and Performance Evaluation of a Dual-Stage Ceramic Foam Filtration System
Safety
- Summary of Ten Years of Molten Aluminum Incident Reporting
- Scrap Melting Safety for the Casthouse
Furnace Design
- Remelt Aluminum Furnaces
Process Control and Technology
- Augmented Water Exit Geometry for Billet Molds
- Strategies for the Effective Application of Microbiological Control to Aluminum Casting Cooling Systems
- Prevention of Cast Cracks in Al-Zn-Mg-Cu Alloy Castings
- Precipitation of Mg2Si in Al-Mg-Si- Alloys During Cooling from Homogenization Temperature
Billet Processing
- Performance of Secondary Versus Prime Billet
- Structural Modifications Occurring During the Homogenization of Some 7XXX Alloys
- Improved Operating Efficiencies of Log Homogenizing Furnaces
- Band Saw for Billets: The Future
Water Quality
- Consistent Water Quality for Aluminum Casting . . . an Important and Attainable Goal
VOLUME II – Brief Contents
- Die Design and Technology
- Applications and Product Innovations
DIE DESIGN AND TECHNOLOGY
- Tribological Evaluation of Surface Treatments for Extrusion Dies
Die Technology
- Application of Upper Bound Method to Extrusion Die Design
- Accurate Temperature Measurements Inside the Tool in Hot Working of Metals
- Metal Flow in Die Channels of Extrusion Investigated by an Experimental Grid Pattern Technique
Computer Design
- The Computer-Aided Design and Computer-Aided Manufacture of Extrusion Dies
- A 3D Feature-Based Computer Support Tool for the Design of Aluminum Extrusion Tool Assemblies
Finite Element Analysis
- Automatic Bearing Length Assignment Using the Medial Axis Transform
- Simulation of Aluminum Extrusion Based on a Finite Element Method (FEM )
- Analysis of Metal Flow in Weld Pocket Dies
- Numerical Simulations in Extrusion Die Design
- Effect of Blend and Extrusion Parameters on Material Flow
Weld Quality
- Transverse Weld Defects
Bearings and Metal Flow
- A Modified Classification System for Metal Flow Adapted to Unlubricated Hot Extrusion of Aluminum and Aluminum Alloys
- An Experimental and Numerical Investigation of the Thermo-Mechanical Conditions on the Bearing Surface of Extrusion Dies
- Studies of Dead Metal Zone Formation in Aluminum Extrusion
- Metal Flow in Two-Hole Extrusion
Bearing Surfaces
- Interface Mechanisms on the Bearing Surface in Extrusion
- Housing of Ceramic Die Inserts for Aluminum Extrusion
- Metal Flow and Temperatures Developed During Direct Extrusion of AA2024
- Direct Extrusion of AA6060 Through Dies with Coated Bearing Lengths
Die Design Systems
- System to Calculate Chambers and Feeds to Obtain an Extrusion Die Designed, Manufactured, and Produced with One Single Minimum Bearing. Tests Results and Results as Reported by Licensees. Present Status
- The Use of a Planning System to Support the Design of Extrusion Dies – Rapid Determination of Bearing Lengths
- Design of Hollow Dies for Manufacturing Thin-Walled Hollow Sections
- Analysis of the Deformations that are Active on the Webs of Hollow Dies during the Extrusion Cycle. Analysis Conducted by Finite Elements
Die Treatments
- Ion Nitriding of H.13 Extrusion Dies Using the Pulsed Plasma Technique
- The Heat Treatment of Extrusion Tools Using Fluidized Bed
- A Review of the Surface Modification Techniques for Pre-Heat-Treated H.13 Extrusion Dies and Emerging Technologies
- Surface Enhancement Technology for Metal Extrusion
Hollow Dies and Special Die Designs
- Advanced Design and Manufacture of Hollow Dies or Improved Extrusion Speeds
- Extrusion Welding in Porthole Die Extrusion
- Determination of Parameters Required for Joining Process in Hollow Dies
- Convex Dies for Aluminum Extrusion
Coatings/Finite Element Analysis
- Plasma Sprayed Ceramic Coatings for Extrusion Dies
- Application of Upper Bound Element Technique (UBET) for Aluminum Extrusion
Publish Only
- Influence of Die Handling Operations on Performance of Nitrided Aluminum Extrusion Dies
- An Industry Update on the Use of Abrasive Flow Machining for Exrusion Die Polishing
APPLICATIONS AND PRODUCT INNOVATIONS
- An Architect’s Perspective on Aluminum
Automotive
- Designing for Tomorrow’s Customer Needs – An Electric Vehicle Charger
- Bending of Aluminum Extrusions for Automotive Applications: A Commentary on Practical and Theoretical Aspects
- Aluminum Spaceframe Technology Applied to the Development of a Low Investment Electric Vehicle Prototype
Alloys/Bridges and Structures/Extrusion Packaging
- Extrudability and Mechanical Properties of Some 7XXX-Series Alloys
- Aluminum Alloys for Bridges and Bridge Decks
- New Rules for Determining the Strength of Extruded Shapes
- Automatic Packaging and Handling of Aluminum Extrusions-Extruders Needs and Customers Requests
TPM/Innovative Product Development
- Improving Equipment Effectiveness Through Total Productive Manufacturing
- How to Use Aluminum Price Volatility When Developing a Product
- Aluminum Service Centers – Your Opportunity for Profitable Growth
- Aluminum Extrusion House in Fort Pierce, Florida
Finishing
- The “Zero Discharge” Anodizing Line
- Mechanical Etching of Aluminum Sections Prior to Anodizing, Painting or Powder Coating
- Chrome Free Pretreatment: A Cost Effective Solution to the Elimination of Environmental and Workplace Concerns Surrounding Chromium
- Novel Siloxane Coatings to Meet Changing Environmental Regulation and High Performance Requirements of Quality Aluminum Extrusions . . .
Innovative Business Practices
- Service Centers: A Channel to Quality Oriented Customers!
- Today’s Users’ Expectations of Extruders: Quality, Service, Partnership
- Continuous Quality Improvement Attaining ISO-9002 Certification
- EDI – Why Should I Be Interested?
Welding and Brazing
- Production of Wide Aluminum Profiles by Solid-State Friction Stir Welding
- Cost Saving by Aluminum Robotic Welding
- New Bending Process for Aluminum Alloy Extruded Shape by Pulse YAG Laser Welding
- Controlled Atmosphere Brazing of Aluminum Automotive Heat Exchangers
Quality
- Visual Quality Attributes of Aluminum Extrusions
Processing/Training Methods
- Computer-Aided Design of Industrial Bending Processes for Aluminum Extrusions
- Fiber Abrasive Finishing Systems for End-Deburring Extruded Aluminum Profiles
- Aluminum: Different? Yes. Difficult? No. When You Know How
Advanced Technology
- New Extrusions for Building Construction Connections
- Opportunities and Pitfalls to Combine Aluminum Extrusions with High-Pressure Die Castings
- The Concept of Becoming a User/Extruder
- Improvement of Surface Hardening for Aluminum Extrusion Products
Conform
- Development of Conform Technology for the Manufacture of Multi-Port Tube
- Simulation and Analysis of Deformation in Conform Extrusion
Miscellaneous
- Profiles of Change in India
- Secondary Aluminum MACT Development
Product Liability
- The Role of Sales in Product Liability Loss Prevention
Publish Only
- Managing the Human Side of a Press Installation or Modernization Project